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WO2006095574A1 - Mobile information terminal - Google Patents

Mobile information terminal Download PDF

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Publication number
WO2006095574A1
WO2006095574A1 PCT/JP2006/303256 JP2006303256W WO2006095574A1 WO 2006095574 A1 WO2006095574 A1 WO 2006095574A1 JP 2006303256 W JP2006303256 W JP 2006303256W WO 2006095574 A1 WO2006095574 A1 WO 2006095574A1
Authority
WO
WIPO (PCT)
Prior art keywords
type
frame rate
information terminal
program
video content
Prior art date
Application number
PCT/JP2006/303256
Other languages
French (fr)
Japanese (ja)
Inventor
Yuusuke Koura
Miwa Koshijima
Masato Kumagai
Original Assignee
Sanyo Electric Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co., Ltd. filed Critical Sanyo Electric Co., Ltd.
Priority to US11/908,190 priority Critical patent/US9189985B2/en
Priority to KR1020077022450A priority patent/KR101280101B1/en
Publication of WO2006095574A1 publication Critical patent/WO2006095574A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4436—Power management, e.g. shutting down unused components of the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0407—Resolution change, inclusive of the use of different resolutions for different screen areas
    • G09G2340/0435—Change or adaptation of the frame rate of the video stream
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for program selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a portable information terminal, and more particularly to a portable information terminal that reproduces moving image content.
  • Patent Document 1 discloses a portable terminal device in which a user can arbitrarily change the frame rate.
  • Patent Document 1 Japanese Patent Publication No. 2002-271671
  • the user when displaying a moving image, the user must determine whether or not to change the frame rate and adjust the frame rate, which is bothersome and work for the user.
  • the present invention has been made in view of the above problems, and imposes an operation burden on the user.
  • the purpose is to provide a portable information terminal that can change various settings related to playback such as the frame rate in a timely manner so as to reduce power consumption.
  • a portable information terminal is a portable information terminal that reproduces moving image content, and includes a type determining unit that determines the type of the moving image content, and the type determining unit. According to the type discriminated in step (b), one of a plurality of processing modes with different power consumption for playback is selected, and playback means for playing back the moving image content in the selected processing mode is provided.
  • the invention's effect is acoustic waveform, acousonic type, and the type determining unit.
  • the video content when playing back video content, can be played back in a processing mode according to the type of the video content. For example, various settings such as display can be set during normal playback.
  • presetting for each program genre according to user preferences reduces power consumption during playback without adjusting various settings while the user is watching the program. Can be made.
  • the reproduction means includes a display unit for displaying moving image content, and the plurality of processing modes have different frame rates for displaying the moving image content on the display unit. As you know.
  • the playback unit changes the frame rate for displaying the moving image content according to the type of the moving image content determined by the type determining unit, so the user can reduce the power consumption of the battery. Therefore, it is not necessary to change the frame rate each time the moving image content is displayed. Therefore, for example, for video content that does not focus on image quality with little motion, the user can save the user from changing the frame rate and reduce the power consumption of the portable information terminal by setting a low frame rate. can do.
  • the frame rate corresponding to the type of the video content is set to the frame per second when displaying the video content.
  • the video content is displayed at the frame rate.
  • the reproduction means may include a backlight, and the plurality of processing modes may be such that the luminance of the backlight is different from each other! /.
  • the luminance of the backlight when displaying the moving image content can be changed by the reproducing unit according to the type of the moving image content determined by the type determining unit. Reduce the power consumption of the backlight even if the user does not adjust the brightness when viewing the video content by setting the brightness low for video content without prioritizing quality! Can be made.
  • the reproduction unit further includes an audio output unit that outputs the audio of the moving image content
  • the plurality of processing modes include those in which the sound volume for outputting the audio of the moving image content is different, According to the type discriminated by the type discriminating means, one of the frame rate and the volume may be selected, and the moving picture content may be played at the selected frame rate and volume.
  • the reproduction unit further includes an audio output unit that outputs the audio of the moving image content, and the plurality of processing modes include ones that have different sound volumes for outputting the audio of the moving image content, According to the type discriminated by the type discriminating means, one of the luminance and the volume may be selected, and the moving image content may be reproduced with the selected luminance and volume.
  • the reproduction unit adjusts the sound volume of the moving image content according to the type of the moving image content determined by the type determining unit, according to the frame rate or the backlight brightness when displaying the moving image content.
  • the volume can be adjusted by the user each time by setting the volume to a low level. Even without this, the power consumption during playback can be reduced.
  • the moving image content is a program composed of digital broadcast data
  • the portable information terminal further acquires an electronic program guide
  • the type discriminating means is based on the electronic program guide. It is also possible to determine the type of program composed of the digital broadcast data.
  • the type of program indicates a so-called program genre, for example, two-use or drama.
  • the program jar is based on the electronic program guide. Can be determined. Therefore, for example, by setting the frame rate for image quality not important-use, etc. lower than that for dramas that prioritize image quality, it is determined whether the displayed program is a program that emphasizes image quality.
  • the user can display the program at a low frame rate without considering the image quality without paying attention to the image quality, and the power consumption can be reduced.
  • the moving image content includes stereo and monaural audio data
  • the types of program content include a stereo audio data portion and a monaural audio data portion in the moving image content
  • the type discrimination means discriminates between the monaural audio data portion and the stereo audio data portion in the moving image content.
  • the moving image content of the stereo sound portion and the monaural sound portion can be determined by the type determination means.
  • the type determination means For example, in a broadcast in which CM is included in many monaural audio parts, when displaying an image of the monaural audio part, it is also possible to display at a frame rate lower than the frame rate of the stereo audio part.
  • CM is effective on the premise that there are many users without emphasizing image quality compared to ordinary programs.
  • the portable information terminal further includes a battery in its own device, and further includes a battery remaining amount determination unit that determines whether or not the remaining amount of the battery is equal to or less than a threshold value.
  • the means selects only one of the plurality of processing modes according to the type determined by the type determining unit only when the battery remaining level determining unit determines that the battery level is equal to or less than the threshold, and selects the selected processing mode.
  • the moving image content may be reproduced.
  • the processing mode related to playback can be changed for playback.
  • the processing mode is a frame rate
  • the default frame rate is set to a high level and the portable information terminal is used, the user views high-quality images until the remaining battery level falls below the threshold value. thing Can do.
  • FIG. 1 (a) is a functional configuration diagram of a mobile phone 10 according to the present invention of Example 1.
  • (B) is a functional configuration diagram of the mobile phone 10 according to the present invention of Example 2.
  • FIG. 1 (a) is a functional configuration diagram of a mobile phone 10 according to the present invention of Example 1.
  • FIG. 2 (a) is a diagram showing a configuration and example contents of a function setting table of the mobile phone 10 according to the present invention.
  • (B) is a diagram showing a configuration and an example of contents of a frame rate table of the mobile phone 10 according to the present invention of Example 1 and Example 2.
  • FIG. (C) is a diagram showing an example of the structure and contents of a luminance level table of the mobile phone 10 according to the present invention of Example 3.
  • FIG. (D) is a diagram showing a configuration and example contents of a volume level table of the mobile phone 10 according to the present invention of Example 3.
  • FIG. (E) is a diagram illustrating an example of current setting information of the mobile phone 10 in the third embodiment.
  • FIG. 3 is a diagram showing an operation flow of a frame rate change process of the mobile phone 10 according to the first embodiment.
  • FIG. 4 is a diagram showing an operation flow of a frame rate change process of the mobile phone 10 according to the second embodiment.
  • FIG. 5 is a functional configuration diagram of a mobile phone 10 according to a third embodiment.
  • FIG. 6 is a diagram showing an operation flow of processing for changing setting information of the mobile phone 10 according to the third embodiment.
  • FIG. 7 is a diagram showing an appearance of a mobile phone according to the present invention.
  • FIG. 7 is a diagram showing a mobile phone according to the present invention.
  • a mobile phone 10 includes a display 11, an operation button section 12 such as a numeric keypad, and a battery, a tuner for receiving a digital broadcast, and an antenna built in the housing.
  • the frame rate is changed according to the type of the received broadcast program, and the moving image of the broadcast program is displayed on the display 11 at the changed frame rate.
  • FIG. 1 is a functional configuration diagram of the mobile phone 10 according to the present embodiment.
  • the mobile phone 10 includes an antenna 110, a broadcast receiving unit 100, a control unit 200, a display unit 300, and an operation unit 400.
  • the antenna 110 also has a function of receiving broadcast signals by television broadcasting station power in response to a user operation.
  • the broadcast receiving unit 100 receives a digital broadcast via the antenna 110, takes out the received broadcast power received broadcast data selected by the user, demodulates and corrects errors, and performs MPEG 2 video data. And a function of separating voice data. Broadcast signals include video data and EPG data!
  • the control unit 200 is realized by a processor and a memory (ROM and RAM). It has a function of controlling each part of 0, and includes a display control unit 210 and a type determination unit 220.
  • the display control unit 210 includes a frame rate conversion unit 211, decodes the MPEG2 moving image data acquired by the broadcast receiving unit 100, and displays the moving image data at the frame rate stored in the memory. It has a function of outputting to the unit 300.
  • the frame rate indicates the number of frames displayed per second, and 30 fps outputs 30 frames per second.
  • the frame rate conversion unit 211 has a function of changing the frame rate on the memory based on the determination result of the type determination unit 220 and a frame rate table described later.
  • the type discriminating unit 220 has a function of discriminating which genre the moving image content belongs to from EPG (Electronic Program Guide) data received by the broadcast receiving unit 100.
  • EPG Electronic Program Guide
  • the display unit 300 is realized by a liquid crystal display or the like, and has a function of displaying a moving image in accordance with a control signal from the display control unit 210.
  • the operation unit 400 has a function of sending a signal corresponding to a button pressed by the user among the operation button units 12 to the control unit 200.
  • FIG. 2 is a diagram showing the table data stored in the memory of the mobile phone 10 according to the present embodiment.
  • FIG. 2A shows the configuration and example contents of a function setting table in the mobile phone 10.
  • the function setting table 20 associates the function 21 and the state 22, and the function 21 represents a function that can be executed by the mobile phone 10.
  • the state 22 represents a state of whether or not to execute each function, and is set in advance by the user.
  • Mobile phone 10 displays a moving image when the power saving mode is set to ON. When it is shown, the frame rate change process is performed.
  • FIG. 5B shows a configuration and content example of a frame rate table in the mobile phone 10 of the first embodiment.
  • a frame rate table 30 associates a type 31 with a frame rate 32 and stores them in a memory or the like in advance, and the frame rate is set for each type of broadcast program received by the mobile phone 10.
  • the frame rate in this implementation is set so that the frame rate is set low if the type of program does not focus on image quality with little movement such as use, and the case where importance is placed on image quality such as drama.
  • the frame rate table 30 is read by the frame rate conversion unit 211 when the power saving mode power SON in the function setting table 20 is described above.
  • FIG. 3 is an operation flowchart of the frame rate changing process of the mobile phone 10.
  • the maximum frame rate of the mobile phone 10 is 30 fps, and will be described as the default frame rate.
  • the control unit 200 activates the television function (step S11), and the broadcast receiving unit 100 also transmits the broadcast signal via the antenna 110 for the selected broadcast station power. Receive.
  • the broadcast receiving unit 100 demodulates the received broadcast signal to acquire moving image data and EPG data, sends the moving image data to the display control unit 210, and sends the EPG data to the type determining unit 220. Send it out (step S12).
  • the type determination unit 220 that has received the EPG data in step S12 reads the function setting table 20 in the memory and determines whether or not the power saving mode is ON (step S13).
  • step S 13 when type discrimination unit 220 determines that it is ON (step S 13: Y), it determines the genre of the program based on the EPG data, and sends the determination result to frame rate conversion unit 211.
  • Step S14 When the frame rate conversion unit 221 determines in step S15 that the program of the genre indicated by the determination result is a program to be displayed at the maximum frame rate based on the determination result and the frame rate table 30 (step S15: Y)
  • the frame rate conversion unit 211 changes the frame rate stored in the memory to 30 fps (step S15). Thereafter, the display control unit 210 refers to the frame rate in the memory, and outputs the decoded moving image data to the display unit 300 at 30 fps.
  • step S 13 if type determination unit 220 determines that the power saving mode is not ON, type determination unit 220 sends a signal to that effect to frame rate conversion unit 211, and the frame rate conversion unit 211 performs the process of step S16.
  • step S15 when the frame rate conversion unit 221 determines that the program is not displayed at the maximum frame rate (step S15: N), the frame rate conversion unit 211 changes the frame rate in the memory to 15 fps (Ste S17). After that, the display control unit 210 refers to the frame rate in the memory and outputs the decoded moving image data to the display unit 300 at 15 fps.
  • the frame rate of the mobile phone 10 is set to 30 fps, and that the user selects and watches a -use program of a certain broadcasting station.
  • the broadcast receiving unit 100 receives a broadcast signal by the user's operation of the operation button unit 12 (step S11), takes out the broadcast data indicating the news program of the selected broadcast station, demodulates it, and stores the video data and EPG. Data is acquired, and these data are sent to the display control unit 210 and the type determination unit 220 (step S12).
  • the type determination unit 220 reads the function setting table 20 and determines that the power saving mode is ON, the genre of the program composed of video data based on the EPG data is -use. It is determined that the program is a program.
  • the type discriminating unit 220 sends a discrimination result indicating that the genre of the program is a “use program” to the frame rate converting unit 221 (step S13: Y, step S14).
  • the frame rate conversion unit 221 Upon receiving the determination result, the frame rate conversion unit 221 reads the frame rate table 30 from the memory, changes the frame rate on the memory from 30 fps to 15 fps (step S17), and the display control unit 210 At 15 fps-The video data of the youth program is output to the display unit 300.
  • the frame rate change process is performed according to the state of the power saving mode in the function setting table of the mobile phone 10, but in this embodiment, the frame rate is changed according to the state of the remaining battery level in the mobile phone 10. To change the frame rate.
  • FIG. 1B is a functional configuration diagram of the mobile phone according to the present embodiment, and a configuration of a portion different from the first embodiment will be described.
  • the remaining battery level determination unit 230 has a function of detecting the remaining battery level in the mobile phone 10 and determining whether the detected remaining battery level is equal to or less than a predetermined threshold value.
  • the threshold for the remaining battery level is stored in a memory such as a ROM.
  • Type discriminating unit 220 receives a signal indicating that the remaining battery level is equal to or less than the threshold from battery remaining level determining unit 230, and determines the genre of the program composed of the received video data based on the EPG data. To do.
  • FIG. 4 is an operation flowchart of the frame rate changing process of the mobile phone 10 according to the present embodiment.
  • the broadcast receiving unit 100 activates the TV function by the channel selection operation by the user to receive a broadcast signal (step S21), and obtains moving image data and EPG data (step S22).
  • the remaining battery level determination unit 230 detects the remaining battery level and reads a threshold value from a memory such as a ROM.
  • step S23 it is determined whether or not the detected remaining battery level is equal to or less than a threshold value.
  • step S23: Y determines that the remaining battery level is less than or equal to the threshold (step S23: Y) and the power saving mode is ON (step S24: Y)
  • step S24: Y a signal indicating that is the type determination unit.
  • the type discriminating unit 220 discriminates the program genre composed of the moving image data from the EPG data as in the first embodiment (step S25).
  • step S23 when the remaining battery level determination unit 230 determines that the remaining battery level is not less than or equal to the threshold value (step S23: N), the display control unit 210 uses the predetermined frame rate value 30 f ps The data is output to the display unit 300.
  • step S25 Since the processing after step S25 is the same as that of the first embodiment, the description thereof is omitted.
  • the power described as changing the frame rate according to the genre of the program is not limited to the change of the frame rate, but the luminance of the backlight and the volume of the speaker according to the genre of the program You can change it.
  • the portable information terminal in the present embodiment is the same as the mobile phone 10 described above, and the differences from the above embodiment will be described.
  • FIG. 5 shows a functional configuration diagram of the mobile phone 10 in the present embodiment.
  • the mobile phone 10 includes a knock light 310 and a speaker 500 in addition to the configuration of the second embodiment, the control unit 2010 includes an audio output control unit 240, and the display control unit 2100 includes a luminance level changing unit 212. Is included.
  • the backlight 310 has a function of irradiating the display unit 300 realized by a liquid crystal display in accordance with an instruction from a luminance level changing unit 212 described later.
  • the speaker 500 has a function of outputting the sound received by the broadcast receiving unit 100 at a volume set by the sound output control unit 240 described later.
  • the brightness level changing unit 212 performs backlighting at a brightness level corresponding to the program type determined by the type determining unit 220 based on the brightness level preset for each program type. It has a function to light up the light.
  • the audio output control unit 240 performs DZA conversion on the audio data received by the broadcast receiving unit 100, and the program discriminated by the type discriminating unit 221 based on the volume level preset for each type of audio data. It has a function that allows the speaker 500 to output sound at a volume level corresponding to the type.
  • FIG. 2 (c) shows the configuration and content example of the brightness level table 40.
  • the luminance level table 40 stores a type 41 and a luminance level 42 in association with each other.
  • the type 41 indicates the type of broadcast program as in the above embodiment, and the luminance level 42 indicates the backlight. 310 brightness levels are shown.
  • the luminance level can be set from 5 to 1, and the numerical value of the level is large, and the luminance is high in order. It should be set lower than the brightness of a drama or the like.
  • both the frame rate table 30 and the luminance level table 40 described above are hereinafter referred to as a display information table.
  • FIG. 2 (d) shows the configuration and example contents of the volume information table 50.
  • the volume information table 50 stores a type 51 and a volume level 52 in association with each other.
  • the type 51 indicates the type of broadcast program as in the above embodiment, and the volume level 52 is output to the speaker 500. Show the volume level of the voice! /
  • FIG. 2 (e) shows an example of the configuration and contents of the setting information table 60 showing the setting information of the mobile phone 10.
  • the setting information table 60 stores a frame rate 61, a luminance level 62, and a volume level 63 in association with each other.
  • the frame rate 61 indicates the value of the currently set frame rate
  • the brightness level 6 2 indicates the brightness level of the backlight that is currently set
  • the volume level 63 indicates the volume level of the speaker 500 that is currently set!
  • These values are assumed to have maximum values set for the frame rate, brightness level, and volume level, and are displayed when the user changes the settings and when the remaining battery level falls below the threshold. It may be changed by the control unit 2100 and the audio output control unit 240.
  • FIG. 6 shows an operation flowchart in the present embodiment. Hereinafter, an operation example will be described with reference to FIG.
  • each value of the setting information table 60 in Fig. 2 (e) is set, and the mobile phone 10 receives a weather forecast program by the user's operation, and the remaining battery power is set.
  • the amount falls below the threshold value each value in the setting information table is changed, and the processing different from that in the first and second embodiments will be described.
  • step S33 the remaining battery level determination unit 230 determines that the remaining battery level is equal to or less than the threshold value, and determines in step S34 that the power saving mode is ON (step S33: Y, step S34: Y)
  • the remaining battery level determination unit 230 sends information to that effect to the type determination unit 220 and the audio output control unit 240.
  • step S35 type determination unit 220 determines that the type of program is weather forecast, and sends the information to display control unit 2100 and audio output control unit 240.
  • step S36 the display control unit 2100 reads the display information table from the memory, and the audio output control unit 240 reads the volume information table 50 from the memory.
  • step S37 the frame rate conversion unit 211 and the luminance level changing unit 212 are based on the display information table, and the audio output control unit 240 is based on the volume information table 50.
  • Each value in the setting information table 60 corresponds to the weather forecast. Judged not to be the same value (Step S37: Y).
  • step S38 the frame rate conversion unit 211 changes the frame rate to 15 fps, and the luminance level changing unit 212 changes the luminance level to 2.
  • the audio output control unit 240 converts the audio data sent from the broadcast receiving unit 100 to DZ A Convert and change the volume level to 1.
  • the portable information terminal according to the present invention has been described based on the first embodiment and the second embodiment.
  • the portable information terminal can be modified as follows, and the present invention is limited to the mobile phone shown in the above-described embodiments. Of course not.
  • the mobile phone 10 receives a digital broadcast, and the frame rate, the luminance level, and the volume level are changed according to the type (genre) of the received broadcast program. Depending on whether or not the power S, broadcast program power SCM power explained as performing the change processing, each of these processing is performed.
  • the type discriminating unit 220 discriminates whether the audio signal that has received the broadcasting station power selected by the user is a stereo signal or a monaural signal, and determines the section of the stereo signal as the CM section. In addition, a signal indicating whether the sound corresponding to the moving image is stereo or monaural is sent to the frame rate conversion unit 211.
  • a table indicating the frame rate, luminance level, and volume level for each stereo signal and monaural signal is stored in a memory or the like.
  • the frame rate conversion unit 211, the luminance level changing unit 212, and the audio output control unit 240 receive a signal indicating the audio type from the type determining unit 220, the frame rate conversion unit 211, the luminance level changing unit 212, and the audio output control unit 240 read the table. Specify the level and volume level, and change the frame rate, brightness level, and volume level in memory.
  • the audio information indicated by the component descriptor included in the EIT (Event Information Table) of the EPG data is You can judge whether it is stereo or not!
  • the description has been given using the mobile phone.
  • it may be a portable information terminal such as a PDA (Personal Digital Assistance) that can receive a television broadcast.
  • PDA Personal Digital Assistance
  • the frame rate is expressed in two stages of 30 ft) s and 15 ft) s, and the power is described as expressing the luminance and volume level in five stages.
  • Frame rate, luminance and volume This is not limited to this, as long as each can be set multiple times.
  • a program for causing a processor to execute frame rate change processing in a mobile phone can be recorded on a recording medium or distributed and distributed via various communication paths.
  • Such recording media include IC cards, hard disks, optical disks, flexible disks, and ROMs.
  • the distributed and distributed program is used by being stored in a memory or the like that can be read by the processor, and the processor executes the program so that the functions of the mobile phone shown in the embodiment are realized. become.
  • Example 1 and Example 2 information indicating that the program type emphasizes image quality such as a movie or a drama is added to the broadcast data, and the type of program is determined by EPG data. If this information is added, the program image may be displayed at a reduced frame rate.
  • Example 3 when the remaining battery level falls below the threshold, the current setting values are set to the frame rate, brightness level, and volume level that are preset for each broadcast program genre.
  • the set values of force S, brightness level and volume level described as changing for example, when changing the brightness level from 5 to 3, the brightness level is stepped in the order of 5 ⁇ 4 ⁇ 3. It is good also as changing to. In this way, the program can be played back without causing the user to feel uncomfortable, such as when the brightness of the knocklight suddenly becomes dark or the volume suddenly decreases.
  • the frame rate changing process is performed according to the program genre.
  • all setting values of the frame rate, the luminance level, and the volume level are changed. You can select one of the frame rates, brightness levels, and volume levels to change, or you can select two to change.
  • the power described as changing all the set values of the frame rate, brightness level, and volume level when the remaining battery level falls below a certain threshold value It is also possible to set multiple items and change each setting value of the brightness level, frame rate, and volume level in order according to the threshold value.
  • the portable information terminal according to the present invention is a portable information terminal such as a mobile phone capable of reproducing moving image content. It can be used for a band information terminal.

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Abstract

There is provided a mobile information terminal for modifying various settings associated with reproduction according to the type of dynamic image content so as to reduce the power consumption. The mobile information terminal starts a television according to a user operation and receives a dynamic image content of the selected television program and EPG data. When the power saving mode is ON, the program type is judged according to the EPG data and a current frame or the like is set to the frame or the like corresponding to the type of the judged program according to the frame rate of each type of the preset program or the like so that the received program is reproduced by the set frame rate or the like.

Description

明 細 書  Specification
携帯情報端末  Portable information terminal
技術分野  Technical field
[0001] 本発明は、携帯情報端末に関し、特に、動画コンテンツを再生する携帯情報端末 に関する。  TECHNICAL FIELD [0001] The present invention relates to a portable information terminal, and more particularly to a portable information terminal that reproduces moving image content.
背景技術  Background art
[0002] 近年、携帯電話機等の携帯情報端末は、テレビ放送受信機能が搭載されて!、るも のが流通しており、受信したテレビ番組の動画像を携帯電話機等の画面に表示し、 番組の音声を出力することにより番組を再生することができる。  [0002] In recent years, mobile information terminals such as mobile phones are equipped with a TV broadcast receiving function !, and the ones that are distributed have displayed moving images of received TV programs on the screen of mobile phones, The program can be reproduced by outputting the sound of the program.
携帯電話機等でテレビ番組を再生する際には、携帯電話機等の内部電池から電 力が供給されており、例えば、テレビ番組の動画像を表示する際、 1秒間に何回画面 を書き換えるかを表すフレームレートに関して言えば、フレームレートの値が高いもの ほどテレビ番組等の動画像をよりなめらかで綺麗に見せることができる力 1秒間に扱 うデータの量が多くなるため消費電力は大きくなる。  When a TV program is played on a mobile phone or the like, power is supplied from the internal battery of the mobile phone or the like. For example, when displaying a video image of a TV program, how many times the screen is rewritten per second. In terms of the frame rate to be expressed, the higher the frame rate value, the greater the power that can make moving images such as TV programs look smoother and more beautiful. The amount of data that can be handled per second increases, so the power consumption increases.
[0003] 従来の携帯電話機等の画像品質は予め決められ、単一のフレームレートで動画像 を表示しており、画像品質より消費電力を低減させることを考慮して、画像を表示す る際のフレームレートをユーザが任意に変更することができる携帯端末装置が特許 文献 1に開示されている。  [0003] The image quality of a conventional mobile phone or the like is determined in advance, and a moving image is displayed at a single frame rate. When displaying an image in consideration of reducing power consumption from the image quality, Patent Document 1 discloses a portable terminal device in which a user can arbitrarily change the frame rate.
特許文献 1 :日本国特許公開公報 特開 2002— 271671号  Patent Document 1: Japanese Patent Publication No. 2002-271671
発明の開示  Disclosure of the invention
発明が解決しょうとする課題  Problems to be solved by the invention
[0004] 特許文献 1の携帯端末装置によれば、ユーザによるフレームレートの変更操作によ り、電力消費を抑えて視聴時間を伸ばすことができる。 [0004] According to the mobile terminal device of Patent Document 1, it is possible to extend the viewing time while suppressing power consumption by a user's operation of changing the frame rate.
し力しながら、ユーザは、動画像を表示する際に、フレームレートを変更する力否か 判断してフレームレートを調節しなければならず、ユーザにとって煩わ 、作業となつ ている。  However, when displaying a moving image, the user must determine whether or not to change the frame rate and adjust the frame rate, which is bothersome and work for the user.
[0005] 本発明は、上記問題に鑑みてなされたものであり、ユーザに操作負担を強いること なぐフレームレート等の再生に関わる各種設定を消費電力が低減する様に適時変 更する携帯情報端末を提供することを目的とする。 [0005] The present invention has been made in view of the above problems, and imposes an operation burden on the user. The purpose is to provide a portable information terminal that can change various settings related to playback such as the frame rate in a timely manner so as to reduce power consumption.
課題を解決するための手段  Means for solving the problem
[0006] 上記課題を解決するために、本発明に係る携帯情報端末は、動画コンテンツを再 生する携帯情報端末であって、前記動画コンテンツの種類を判別する種類判別手段 と、前記種類判別手段により判別された種類に応じて、再生に係る消費電力が異な る複数の処理態様の一つを選択し、選択した処理態様で前記動画コンテンツを再生 する再生手段とを備えることを特徴とする。 発明の効果  [0006] In order to solve the above problems, a portable information terminal according to the present invention is a portable information terminal that reproduces moving image content, and includes a type determining unit that determines the type of the moving image content, and the type determining unit. According to the type discriminated in step (b), one of a plurality of processing modes with different power consumption for playback is selected, and playback means for playing back the moving image content in the selected processing mode is provided. The invention's effect
[0007] 上述の構成によれば、動画コンテンツの再生に際し、動画コンテンツの種類に応じ た処理態様で動画コンテンツを再生することができるので、例えば、表示等の各種設 定を、通常の再生時より消費電力が低減するように、ユーザの好みに応じて番組の ジャンル毎に予め設定しておくことにより、ユーザが番組を視聴中に各種設定の調節 を行うことなく再生時の消費電力を低減させることができる。  [0007] According to the configuration described above, when playing back video content, the video content can be played back in a processing mode according to the type of the video content. For example, various settings such as display can be set during normal playback. In order to further reduce power consumption, presetting for each program genre according to user preferences reduces power consumption during playback without adjusting various settings while the user is watching the program. Can be made.
[0008] また、前記再生手段は、動画コンテンツを表示する表示部を備えており、前記複数 の処理態様は、動画コンテンツを前記表示部に表示するためのフレームレートが各 々異なるちのであることとしてちょ 、。  [0008] Further, the reproduction means includes a display unit for displaying moving image content, and the plurality of processing modes have different frame rates for displaying the moving image content on the display unit. As you know.
この構成によれば、再生手段により、種類判別手段が判別した動画コンテンツの種 類に応じて、当該動画コンテンツを表示する際のフレームレートを変えるので、ユー ザは、電池の消費電力を低減するために、動画コンテンツを表示する度にフレームレ ートを変更する操作を行なわなくてもよい。従って、例えば、動画コンテンツに動きが 少なぐ画像品質を重視しない動画コンテンツについては、低いフレームレートに設 定することにより、ユーザがフレームレートを変更する手間を省き、携帯情報端末の 消費電力も低減することができる。  According to this configuration, the playback unit changes the frame rate for displaying the moving image content according to the type of the moving image content determined by the type determining unit, so the user can reduce the power consumption of the battery. Therefore, it is not necessary to change the frame rate each time the moving image content is displayed. Therefore, for example, for video content that does not focus on image quality with little motion, the user can save the user from changing the frame rate and reduce the power consumption of the portable information terminal by setting a low frame rate. can do.
[0009] 尚、前記処理態様がフレームレートの場合において前記選択した処理態様で動画 コンテンツを再生するとは、動画コンテンツの種類に対応するフレームレートを、動画 コンテンツを表示する際の 1秒当たりのフレーム数とし、当該フレームレートで動画コ ンテンッを表示させることである。 また、前記再生手段は、バックライトを備えており、前記複数の処理態様は、前記バ ックライトの輝度が各々異なるものであることとしてもよ!/、。 [0009] It should be noted that when the processing mode is a frame rate and that the video content is played back in the selected processing mode, the frame rate corresponding to the type of the video content is set to the frame per second when displaying the video content. The video content is displayed at the frame rate. Further, the reproduction means may include a backlight, and the plurality of processing modes may be such that the luminance of the backlight is different from each other! /.
[0010] この構成によれば、再生手段により、種類判別手段が判別した動画コンテンツの種 類に応じて、当該動画コンテンツを表示する際のバックライトの輝度を変えることがで きるので、例えば画像品質を重視しな 、動画コンテンツにつ!/、ては予め輝度を低く 設定しておくことにより、ユーザが当該動画コンテンツの視聴時に輝度調節を行わな くても、バックライトの消費電力を低減させることができる。  According to this configuration, the luminance of the backlight when displaying the moving image content can be changed by the reproducing unit according to the type of the moving image content determined by the type determining unit. Reduce the power consumption of the backlight even if the user does not adjust the brightness when viewing the video content by setting the brightness low for video content without prioritizing quality! Can be made.
[0011] また、前記再生手段は、更に、前記動画コンテンツの音声を出力する音声出力部 を備え、前記複数の処理態様は、前記動画コンテンツの音声を出力する音量が各々 異なるものを含み、前記種類判別手段により判別された種類に応じて前記フレームレ ートと前記音量の各々一つを選択し、選択したフレームレートと音量で前記動画コン テンッを再生することとしてもよ 、。  [0011] In addition, the reproduction unit further includes an audio output unit that outputs the audio of the moving image content, and the plurality of processing modes include those in which the sound volume for outputting the audio of the moving image content is different, According to the type discriminated by the type discriminating means, one of the frame rate and the volume may be selected, and the moving picture content may be played at the selected frame rate and volume.
[0012] また、前記再生手段は、更に、前記動画コンテンツの音声を出力する音声出力部 を備え、前記複数の処理態様は、前記動画コンテンツの音声を出力する音量が各々 異なるものを含み、前記種類判別手段により判別された種類に応じて前記輝度と前 記音量の各々一つを選択し、選択した輝度と音量で前記動画コンテンツを再生する こととしてちよい。  [0012] In addition, the reproduction unit further includes an audio output unit that outputs the audio of the moving image content, and the plurality of processing modes include ones that have different sound volumes for outputting the audio of the moving image content, According to the type discriminated by the type discriminating means, one of the luminance and the volume may be selected, and the moving image content may be reproduced with the selected luminance and volume.
この構成によれば、再生手段は、種類判別手段が判別した動画コンテンツの種類 に応じて、動画コンテンツを表示する際のフレームレート又はバックライトの輝度にカロ えて、当該動画コンテンツの音声の音量を変えることができるので、例えば、天気予 報等、音声を重視せず動画像だけで内容を把握できる動画コンテンツにつ 、ては音 量を小さく設定することにより、ユーザがその都度音量調節を行わなくても、再生時の 消費電力を低減させることができる。  According to this configuration, the reproduction unit adjusts the sound volume of the moving image content according to the type of the moving image content determined by the type determining unit, according to the frame rate or the backlight brightness when displaying the moving image content. For example, for weather forecasts and other video content that does not place importance on sound and can be understood only by moving images, the volume can be adjusted by the user each time by setting the volume to a low level. Even without this, the power consumption during playback can be reduced.
[0013] また、前記動画コンテンツは、デジタル放送データで構成された番組であり、 前記 携帯情報端末は、更に、電子番組表を取得し、前記種類判別手段は、前記電子番 組表に基づ ヽて、前記デジタル放送データで構成された番組の種類を判別すること としてもよい。尚、番組の種類とは、いわゆる番組のジャンルを示しており、例えば、二 ユースやドラマ等である。 [0014] この構成によれば、デジタル放送の番組データと電子番組表を取得するので、電 子番組表に番組のジャンルが含まれて ヽる場合には、電子番組表を基に番組のジャ ンルを判別することができる。従って、例えば、画像品質を重視しない-ユース等のフ レームレートを、予め画像品質を重視するドラマ等より低く設定しておくことにより、表 示される番組が画像品質を重視する番組か否かをユーザが意識することなく、画像 品質を重視しな 、番組を低 、フレームレートで表示することができ、消費電力も低減 することができる。 [0013] Further, the moving image content is a program composed of digital broadcast data, the portable information terminal further acquires an electronic program guide, and the type discriminating means is based on the electronic program guide. It is also possible to determine the type of program composed of the digital broadcast data. The type of program indicates a so-called program genre, for example, two-use or drama. [0014] According to this configuration, since the digital broadcast program data and the electronic program guide are acquired, if the genre of the program is included in the electronic program guide, the program jar is based on the electronic program guide. Can be determined. Therefore, for example, by setting the frame rate for image quality not important-use, etc. lower than that for dramas that prioritize image quality, it is determined whether the displayed program is a program that emphasizes image quality. The user can display the program at a low frame rate without considering the image quality without paying attention to the image quality, and the power consumption can be reduced.
[0015] また、前記動画コンテンツは、ステレオ及びモノラルの音声データを含み、前記番 組コンテンツの種類には、前記動画コンテンツにおけるステレオの音声データの部分 と、モノラルの音声データの部分があり、前記種類判別手段は、前記動画コンテンツ におけるモノラルの音声データ部分とステレオ音声データ部分を判別することとして ちょい。  [0015] The moving image content includes stereo and monaural audio data, and the types of program content include a stereo audio data portion and a monaural audio data portion in the moving image content, The type discrimination means discriminates between the monaural audio data portion and the stereo audio data portion in the moving image content.
この構成によれば、種類判別手段によって、ステレオの音声部分とモノラルの音声 部分の動画コンテンツを判別することができる。例えば、多くのモノラル音声の部分に CMが含まれている放送で、モノラル音声の部分の画像を表示する際に、ステレオ音 声の部分のフレームレートより低いフレームレートで表示することも可能であり、一般 的に CMは通常の番組と比べて画像品質を重視しな 、ユーザが多 、と 、う前提にお いて有効である。  According to this configuration, the moving image content of the stereo sound portion and the monaural sound portion can be determined by the type determination means. For example, in a broadcast in which CM is included in many monaural audio parts, when displaying an image of the monaural audio part, it is also possible to display at a frame rate lower than the frame rate of the stereo audio part. In general, CM is effective on the premise that there are many users without emphasizing image quality compared to ordinary programs.
[0016] また、前記携帯情報端末は、更に、自機内部に電池を有しており、当該電池の残 量が閾値以下であるか否かを判定する電池残量判定手段を備え、前記再生手段は 、前記電池残量判定手段により閾値以下であると判定された場合に限り、前記種類 判別手段により判別された種類に応じて前記複数の処理態様の一つを選択し、選択 した処理態様で前記動画コンテンツを再生することとしてもよい。  [0016] In addition, the portable information terminal further includes a battery in its own device, and further includes a battery remaining amount determination unit that determines whether or not the remaining amount of the battery is equal to or less than a threshold value. The means selects only one of the plurality of processing modes according to the type determined by the type determining unit only when the battery remaining level determining unit determines that the battery level is equal to or less than the threshold, and selects the selected processing mode. The moving image content may be reproduced.
[0017] この構成によれば、携帯情報端末の電池残量が閾値以下である力否かを判定する ことができるので、電池残量が一定の閾値以下になった場合に限り、動画の内容に 応じて再生に係る処理態様を変えて再生することができる。従って、例えば、処理態 様がフレームレートである場合、既定のフレームレートが高く設定されて 、る携帯情 報端末であれば、ユーザは電池残量が閾値以下になるまで高画質の画像を見ること ができる。 [0017] According to this configuration, since it is possible to determine whether or not the remaining battery level of the portable information terminal is equal to or less than the threshold value, the content of the moving image is limited only when the remaining battery level is equal to or less than a certain threshold value. Depending on the situation, the processing mode related to playback can be changed for playback. Thus, for example, when the processing mode is a frame rate, if the default frame rate is set to a high level and the portable information terminal is used, the user views high-quality images until the remaining battery level falls below the threshold value. thing Can do.
図面の簡単な説明  Brief Description of Drawings
[0018] [図 l](a)は、実施例 1の本発明に係る携帯電話機 10の機能構成図である。（b)は、実 施例 2の本発明に係る携帯電話機 10の機能構成図である。  [0018] FIG. 1 (a) is a functional configuration diagram of a mobile phone 10 according to the present invention of Example 1. (B) is a functional configuration diagram of the mobile phone 10 according to the present invention of Example 2. FIG.
[図 2](a)は、本発明に係る携帯電話機 10の機能設定テーブルの構成及び内容例を 示す図である。（b)は、実施例 1及び実施例 2の本発明に係る携帯電話機 10のフレー ムレートテーブルの構成及び内容例を示す図である。（c)は、実施例 3の本発明に係 る携帯電話機 10の輝度レベルテーブルの構成及び内容例を示す図である。（d)は、 実施例 3の本発明に係る携帯電話機 10の音量レベルテーブルの構成及び内容例を 示す図である。（e)は、実施例 3における携帯電話機 10の現在の設定情報の例を示 す図である。  FIG. 2 (a) is a diagram showing a configuration and example contents of a function setting table of the mobile phone 10 according to the present invention. (B) is a diagram showing a configuration and an example of contents of a frame rate table of the mobile phone 10 according to the present invention of Example 1 and Example 2. FIG. (C) is a diagram showing an example of the structure and contents of a luminance level table of the mobile phone 10 according to the present invention of Example 3. FIG. (D) is a diagram showing a configuration and example contents of a volume level table of the mobile phone 10 according to the present invention of Example 3. FIG. (E) is a diagram illustrating an example of current setting information of the mobile phone 10 in the third embodiment.
[図 3]実施例 1に係る携帯電話機 10のフレームレート変更処理の動作フローを示す 図である。  FIG. 3 is a diagram showing an operation flow of a frame rate change process of the mobile phone 10 according to the first embodiment.
[図 4]実施例 2に係る携帯電話機 10のフレームレート変更処理の動作フローを示す 図である。  FIG. 4 is a diagram showing an operation flow of a frame rate change process of the mobile phone 10 according to the second embodiment.
[図 5]実施例 3に係る携帯電話機 10の機能構成図である。  FIG. 5 is a functional configuration diagram of a mobile phone 10 according to a third embodiment.
[図 6]実施例 3に係る携帯電話機 10の設定情報を変更する処理の動作フローを示す 図である。  FIG. 6 is a diagram showing an operation flow of processing for changing setting information of the mobile phone 10 according to the third embodiment.
[図 7]本発明に係る携帯電話機の外観を示す図である。  FIG. 7 is a diagram showing an appearance of a mobile phone according to the present invention.
符号の説明  Explanation of symbols
[0019] 10 携帯電話機 [0019] 10 mobile phone
11 ディスプレイ  11 display
12 操作ボタン部  12 Operation buttons
100 放送受信部  100 Broadcast receiver
110 アンテナ  110 Antenna
200、 201 制御部  200, 201 Control unit
210、 2100 表示制御部  210, 2100 Display controller
211 フレームレート変換部 212 輝度レベル変更部 211 Frame rate converter 212 Brightness level change section
220 種類判別部  220 type discriminator
230 電池残量判定部  230 Battery level judgment unit
240 音声出力制御部  240 Audio output controller
300 表示部  300 Display
310 ノ ックライ卜  310 Knock Cray
400 操作部  400 Operation unit
500 スピーカ  500 speakers
発明を実施するための最良の形態  BEST MODE FOR CARRYING OUT THE INVENTION
[0020] <実施例 1 > <Example 1>
以下、本発明の実施例 1に係る携帯電話機について説明する。  Hereinafter, a mobile phone according to Embodiment 1 of the present invention will be described.
図 7は、本発明に係る携帯電話機を示す図である。  FIG. 7 is a diagram showing a mobile phone according to the present invention.
同図において、携帯電話機 10は、ディスプレイ 11、テンキー等の操作ボタン部 12 を備え、筐体内部に電池、デジタル放送受信用チューナ、アンテナが内蔵されており 、デジタル放送を受信して放送番組の画像をディスプレイ 11に表示する際に、受信 した放送番組の種類に応じてフレームレートを変更し、当該放送番組の動画像を変 更されたフレームレートでディスプレイ 11に表示する。  In the figure, a mobile phone 10 includes a display 11, an operation button section 12 such as a numeric keypad, and a battery, a tuner for receiving a digital broadcast, and an antenna built in the housing. When an image is displayed on the display 11, the frame rate is changed according to the type of the received broadcast program, and the moving image of the broadcast program is displayed on the display 11 at the changed frame rate.
[0021] <構成> [0021] <Configuration>
図 1は、本実施に係る携帯電話機 10の機能構成図である。  FIG. 1 is a functional configuration diagram of the mobile phone 10 according to the present embodiment.
携帯電話機 10は、アンテナ 110、放送受信部 100、制御部 200、表示部 300、及 び操作部 400から構成される。  The mobile phone 10 includes an antenna 110, a broadcast receiving unit 100, a control unit 200, a display unit 300, and an operation unit 400.
アンテナ 110は、ユーザによる操作に応じてテレビ放送局力も放送信号を受信する 機能を有する。  The antenna 110 also has a function of receiving broadcast signals by television broadcasting station power in response to a user operation.
[0022] 放送受信部 100は、アンテナ 110を介してデジタル放送を受信し、受信した放送信 号力 ユーザが選局した放送データを取り出し、復調して誤り訂正を行ない、 MPEG 2の動画像データと音声データに分離する機能を有する。尚、放送信号には、動画 データ及び EPGデータが含まれて!/、る。  [0022] The broadcast receiving unit 100 receives a digital broadcast via the antenna 110, takes out the received broadcast power received broadcast data selected by the user, demodulates and corrects errors, and performs MPEG 2 video data. And a function of separating voice data. Broadcast signals include video data and EPG data!
制御部 200は、プロセッサ及びメモリ (ROM及び RAM)で実現され、携帯電話機 1 0の各部を制御する機能を有し、表示制御部 210及び種類判別部 220を含んで構 成される。 The control unit 200 is realized by a processor and a memory (ROM and RAM). It has a function of controlling each part of 0, and includes a display control unit 210 and a type determination unit 220.
[0023] 表示制御部 210は、フレームレート変換部 211を含んで構成され、放送受信部 10 0によって取得された MPEG2の動画データを復号し、メモリに格納されているフレー ムレートで動画データを表示部 300に出力する機能を有する。ここで、フレームレート は、 1秒間に表示するフレーム数を示しており、 30fpsは 1秒間に 30フレームを出力 する。  [0023] The display control unit 210 includes a frame rate conversion unit 211, decodes the MPEG2 moving image data acquired by the broadcast receiving unit 100, and displays the moving image data at the frame rate stored in the memory. It has a function of outputting to the unit 300. Here, the frame rate indicates the number of frames displayed per second, and 30 fps outputs 30 frames per second.
[0024] 例えば、フレームレートが 30fpsの動画データを 15fpsで表示する場合、 30フレー ム力 連続する 2フレーム毎に 1フレームを選択し、選択したフレームの動画データを 表示部 300に出力する。  For example, when moving image data with a frame rate of 30 fps is displayed at 15 fps, one frame is selected for every two consecutive frames of 30 frames, and the moving image data of the selected frame is output to the display unit 300.
また、フレームレート変換部 211は、メモリ上のフレームレートを種類判別部 220の 判別結果及び後述するフレームレートテーブルに基づいて変更する機能を有する。  The frame rate conversion unit 211 has a function of changing the frame rate on the memory based on the determination result of the type determination unit 220 and a frame rate table described later.
[0025] 種類判別部 220は、放送受信部 100によって受信された EPG (Electro-nic Progra m Guide)データから、動画コンテンツがどのジャンルに属する力判別する機能を有 する。 The type discriminating unit 220 has a function of discriminating which genre the moving image content belongs to from EPG (Electronic Program Guide) data received by the broadcast receiving unit 100.
表示部 300は、液晶ディスプレイ等で実現され、表示制御部 210からの制御信号 に応じて動画像を表示する機能を有する。  The display unit 300 is realized by a liquid crystal display or the like, and has a function of displaying a moving image in accordance with a control signal from the display control unit 210.
[0026] 操作部 400は、操作ボタン部 12のうちユーザによって押下されたボタンに対応する 信号を制御部 200に送出する機能を有する。 The operation unit 400 has a function of sending a signal corresponding to a button pressed by the user among the operation button units 12 to the control unit 200.
くデータ >  Data>
図 2は、本実施に係る携帯電話機 10のメモリに記憶されて ヽるテーブルデータを示 す図である。  FIG. 2 is a diagram showing the table data stored in the memory of the mobile phone 10 according to the present embodiment.
[0027] 同図 (a)は、携帯電話機 10における機能設定テーブルの構成と内容例を示してい る。  FIG. 2A shows the configuration and example contents of a function setting table in the mobile phone 10.
機能設定テーブル 20は、機能 21及び状態 22を対応付けており、機能 21は、携帯 電話機 10が実行可能な機能を表している。また、状態 22は、各機能を実行するか否 かの状態を表しており、ユーザによって予め設定される。  The function setting table 20 associates the function 21 and the state 22, and the function 21 represents a function that can be executed by the mobile phone 10. The state 22 represents a state of whether or not to execute each function, and is set in advance by the user.
携帯電話機 10は、省電力モードが ONの状態に設定されている場合、動画像を表 示する際にフレームレート変更処理を行う。 Mobile phone 10 displays a moving image when the power saving mode is set to ON. When it is shown, the frame rate change process is performed.
[0028] 同図 (b)は、実施例 1の携帯電話機 10におけるフレームレートテーブルの構成と内 容例を示している。  FIG. 5B shows a configuration and content example of a frame rate table in the mobile phone 10 of the first embodiment.
同図において、フレームレートテーブル 30は、種類 31とフレームレート 32とを対応 付けて予めメモリ等に記憶し、携帯電話機 10が受信した放送番組の種類別にフレー ムレートが設定されている。  In the figure, a frame rate table 30 associates a type 31 with a frame rate 32 and stores them in a memory or the like in advance, and the frame rate is set for each type of broadcast program received by the mobile phone 10.
[0029] 尚、本実施におけるフレームレートは、番組の種類が-ユース等の動きが少なぐ画 像品質を重視しないものはフレームレートを低く設定し、ドラマ等の画像品質を重視 するものについては携帯電話機 10における最大フレームレートを設定する。 [0029] It should be noted that the frame rate in this implementation is set so that the frame rate is set low if the type of program does not focus on image quality with little movement such as use, and the case where importance is placed on image quality such as drama. Set the maximum frame rate for mobile phone 10.
フレームレートテーブル 30は、上述の機能設定テーブル 20における省電力モード 力 SONである場合に、フレームレート変換部 211によって読み出される。  The frame rate table 30 is read by the frame rate conversion unit 211 when the power saving mode power SON in the function setting table 20 is described above.
<動作 >  <Operation>
以下、本実施に係る携帯電話機 10の動作について説明する。  Hereinafter, the operation of the mobile phone 10 according to the present embodiment will be described.
[0030] 図 3は、携帯電話機 10のフレームレート変更処理の動作フロー図である。 FIG. 3 is an operation flowchart of the frame rate changing process of the mobile phone 10.
尚、当該携帯電話機 10の最大フレームレートは 30fpsであり、デフォルトのフレーム レートとして説明する。  The maximum frame rate of the mobile phone 10 is 30 fps, and will be described as the default frame rate.
同図において、ユーザによる操作ボタン部 12の操作により、制御部 200はテレビ機 能を起動し (ステップ S 11)、放送受信部 100は選局された放送局力もアンテナ 110を 介して放送信号を受信する。  In the figure, when the user operates the operation button unit 12, the control unit 200 activates the television function (step S11), and the broadcast receiving unit 100 also transmits the broadcast signal via the antenna 110 for the selected broadcast station power. Receive.
[0031] 続いて放送受信部 100は、受信した放送信号を復調して動画データ及び EPGデ ータを取得して、動画データを表示制御部 210へ送出し、 EPGデータを種類判別部 220へ送出する (ステップ S 12)。 Subsequently, the broadcast receiving unit 100 demodulates the received broadcast signal to acquire moving image data and EPG data, sends the moving image data to the display control unit 210, and sends the EPG data to the type determining unit 220. Send it out (step S12).
ステップ S12において EPGデータを受取った種類判別部 220は、メモリ内の機能 設定テーブル 20を読み出し、省電力モードが ONの状態であるか否かを判断する (ス テツプ S 13)。  The type determination unit 220 that has received the EPG data in step S12 reads the function setting table 20 in the memory and determines whether or not the power saving mode is ON (step S13).
[0032] ステップ S13において種類判別部 220は、 ONであると判断すると (ステップ S 13: Y) 、 EPGデータに基づいて番組のジャンルを判別し、その判別結果をフレームレート変 換部 211に送出する (ステップ S14)。 ステップ S15において、フレームレート変換部 221が、判定結果及びフレームレート テーブル 30に基づき、判定結果で示されたジャンルの番組が最大フレームレートで 表示する番組であると判断した場合 (ステップ S15:Y)、フレームレート変換部 211は、 メモリに格納されているフレームレートを 30fpsに変更する (ステップ S15)。その後、表 示制御部 210は、メモリ内のフレームレートを参照し、復号した動画データを 30fpsで 表示部 300に出力する。 In step S 13, when type discrimination unit 220 determines that it is ON (step S 13: Y), it determines the genre of the program based on the EPG data, and sends the determination result to frame rate conversion unit 211. (Step S14). When the frame rate conversion unit 221 determines in step S15 that the program of the genre indicated by the determination result is a program to be displayed at the maximum frame rate based on the determination result and the frame rate table 30 (step S15: Y) The frame rate conversion unit 211 changes the frame rate stored in the memory to 30 fps (step S15). Thereafter, the display control unit 210 refers to the frame rate in the memory, and outputs the decoded moving image data to the display unit 300 at 30 fps.
[0033] また、ステップ S 13において、省電力モードが ON状態でないと種類判別部 220が 判断した場合、種類判別部 220はその旨の信号をフレームレート変換部 211に送出 し、フレームレート変換部 211はステップ S 16の処理を行う。 In step S 13, if type determination unit 220 determines that the power saving mode is not ON, type determination unit 220 sends a signal to that effect to frame rate conversion unit 211, and the frame rate conversion unit 211 performs the process of step S16.
また、ステップ S15において、フレームレート変換部 221が、最大フレームレートで 表示する番組でないと判断した場合 (ステップ S15:N)、フレームレート変換部 211は 、メモリ内のフレームレートを 15fpsに変更する (ステップ S17)。その後、表示制御部 2 10は、メモリ内のフレームレートを参照し、復号した動画データを 15fpsで表示部 30 0に出力する。  In step S15, when the frame rate conversion unit 221 determines that the program is not displayed at the maximum frame rate (step S15: N), the frame rate conversion unit 211 changes the frame rate in the memory to 15 fps ( Step S17). After that, the display control unit 210 refers to the frame rate in the memory and outputs the decoded moving image data to the display unit 300 at 15 fps.
<動作例 >  <Operation example>
以下、上述した動作フローに基づいて本発明に係る携帯電話機 10の動作例を説 明する。  Hereinafter, an operation example of the mobile phone 10 according to the present invention will be described based on the above-described operation flow.
[0034] 尚、携帯電話機 10のフレームレートは 30fpsに設定されているものとし、ユーザは ある放送局の-ユース番組を選択して視聴するものとして説明する。  [0034] It is assumed that the frame rate of the mobile phone 10 is set to 30 fps, and that the user selects and watches a -use program of a certain broadcasting station.
放送受信部 100は、ユーザの操作ボタン部 12の操作により放送信号を受信し (ステ ップ S 11)、選局した放送局のニュース番組を示す放送データを取り出して復調し、 動画データ及び EPGデータを取得し、これらのデータを表示制御部 210及び種類 判別部 220へ送出する (ステップ S 12)。  The broadcast receiving unit 100 receives a broadcast signal by the user's operation of the operation button unit 12 (step S11), takes out the broadcast data indicating the news program of the selected broadcast station, demodulates it, and stores the video data and EPG. Data is acquired, and these data are sent to the display control unit 210 and the type determination unit 220 (step S12).
[0035] 続いて、種類判別部 220は、機能設定テーブル 20を読み出し、省電力モードが O N状態であると判断すると、 EPGデータに基づ ヽて動画データで構成された番組の ジャンルが-ユース番組であると判別する。また、種類判別部 220は当該番組のジャ ンルが-ユース番組であることを示す判別結果をフレームレート変換部 221へ送出す る (ステップ S13:Y、ステップ S 14)。 [0036] フレームレート変換部 221は、判別結果を受取るとメモリからフレームレートテープ ル 30を読み出して、メモリ上のフレームレートを 30fpsから 15fpsに変更し (ステップ S 17)、表示制御部 210は、 15fpsで-ユース番組の動画データを表示部 300に出力 する。 [0035] Subsequently, when the type determination unit 220 reads the function setting table 20 and determines that the power saving mode is ON, the genre of the program composed of video data based on the EPG data is -use. It is determined that the program is a program. The type discriminating unit 220 sends a discrimination result indicating that the genre of the program is a “use program” to the frame rate converting unit 221 (step S13: Y, step S14). [0036] Upon receiving the determination result, the frame rate conversion unit 221 reads the frame rate table 30 from the memory, changes the frame rate on the memory from 30 fps to 15 fps (step S17), and the display control unit 210 At 15 fps-The video data of the youth program is output to the display unit 300.
<実施例 2>  <Example 2>
上述の実施例 1では、携帯電話機 10の機能設定テーブルにおける省電力モード の状態に応じてフレームレート変更処理を行なったが、本実施例では、携帯電話機 1 0内部の電池残量の状態に応じてフレームレート変更処理を行う。  In the above-described first embodiment, the frame rate change process is performed according to the state of the power saving mode in the function setting table of the mobile phone 10, but in this embodiment, the frame rate is changed according to the state of the remaining battery level in the mobile phone 10. To change the frame rate.
<構成>  <Configuration>
以下、本実施例に係る携帯電話機について説明する。  Hereinafter, the mobile phone according to the present embodiment will be described.
[0037] 図 1(b)は、本実施に係る携帯電話機の機能構成図であり、実施例 1と異なる部分の 構成について説明する。 FIG. 1B is a functional configuration diagram of the mobile phone according to the present embodiment, and a configuration of a portion different from the first embodiment will be described.
尚、本実施に係る携帯電話機は、実施例 1と同様の携帯電話機 10を用いることとし 、図 1(b)の構成のうち、実施例 1と同じ構成部分については同じ符号を付している。 電池残量判定部 230は、携帯電話機 10内の電池残量を検出し、検出した電池残 量が予め定めた閾値以下であるか否かを判定する機能を有する。電池残量の閾値 は、 ROM等のメモリに格納されており、例えば、最大電池量の 50%を閾値として設 定する。  Note that the mobile phone according to the present embodiment uses the same mobile phone 10 as in the first embodiment, and in the configuration of FIG. 1B, the same components as those in the first embodiment are denoted by the same reference numerals. . The remaining battery level determination unit 230 has a function of detecting the remaining battery level in the mobile phone 10 and determining whether the detected remaining battery level is equal to or less than a predetermined threshold value. The threshold for the remaining battery level is stored in a memory such as a ROM.
[0038] 種類判別部 220は、電池残量判定部 230から電池残量が閾値以下であることを示 す信号を受け付け、受信した動画データで構成される番組のジャンルを EPGデータ に基づいて判別する。  [0038] Type discriminating unit 220 receives a signal indicating that the remaining battery level is equal to or less than the threshold from battery remaining level determining unit 230, and determines the genre of the program composed of the received video data based on the EPG data. To do.
<動作 >  <Operation>
以下、本実施に係る携帯電話機 10の動作について説明する。  Hereinafter, the operation of the mobile phone 10 according to the present embodiment will be described.
[0039] 図 4は、本実施に係る携帯電話機 10のフレームレート変更処理の動作フロー図で ある。 FIG. 4 is an operation flowchart of the frame rate changing process of the mobile phone 10 according to the present embodiment.
実施例 1と同様、放送受信部 100は、ユーザによる選局操作によりテレビ機能を起 動して放送信号を受信し (ステップ S 21)、動画データ及び EPGデータを取得する (ス テツプ S22)。 [0040] 電池残量判定部 230は、電池残量を検出して ROM等のメモリから閾値を読み出しAs in the first embodiment, the broadcast receiving unit 100 activates the TV function by the channel selection operation by the user to receive a broadcast signal (step S21), and obtains moving image data and EPG data (step S22). [0040] The remaining battery level determination unit 230 detects the remaining battery level and reads a threshold value from a memory such as a ROM.
、検出した電池残量が閾値以下である力否かを判定する (ステップ S23)。 Then, it is determined whether or not the detected remaining battery level is equal to or less than a threshold value (step S23).
電池残量判定部 230が、電池残量が閾値以下であると判定し (ステップ S23:Y)、省 電力モードが ONである場合 (ステップ S24:Y)、その旨を示す信号を種類判別部 22 When the remaining battery level determination unit 230 determines that the remaining battery level is less than or equal to the threshold (step S23: Y) and the power saving mode is ON (step S24: Y), a signal indicating that is the type determination unit. twenty two
0へ送出し、種類判別部 220は実施例 1と同様に動画データで構成される番組のジ ヤンルを EPGデータから判別する (ステップ S25)。 Then, the type discriminating unit 220 discriminates the program genre composed of the moving image data from the EPG data as in the first embodiment (step S25).
[0041] また、ステップ S23において、電池残量判定部 230が、電池残量が閾値以下でな いと判定した場合 (ステップ S23:N)、表示制御部 210は既定のフレームレート値 30f psで動画データを表示部 300に出力する。 [0041] Also, in step S23, when the remaining battery level determination unit 230 determines that the remaining battery level is not less than or equal to the threshold value (step S23: N), the display control unit 210 uses the predetermined frame rate value 30 f ps The data is output to the display unit 300.
ステップ S25以下の処理は、実施例 1と同様であるので説明を省略する。 Since the processing after step S25 is the same as that of the first embodiment, the description thereof is omitted.
<実施例 3 > <Example 3>
上述の実施例 1及び実施例 2は、番組のジャンルに応じてフレームレートを変更す るものとして説明した力 フレームレートの変更に限らず、番組のジャンルに応じてバ ックライトの輝度及びスピーカの音量を変更してもよ 、。  In the first and second embodiments described above, the power described as changing the frame rate according to the genre of the program is not limited to the change of the frame rate, but the luminance of the backlight and the volume of the speaker according to the genre of the program You can change it.
[0042] 以下、この場合について説明する。 Hereinafter, this case will be described.
尚、本実施例における携帯情報端末は、上述した携帯電話機 10と同様であり、上 記実施例と異なる部分について説明するものとする。  Note that the portable information terminal in the present embodiment is the same as the mobile phone 10 described above, and the differences from the above embodiment will be described.
<構成>  <Configuration>
図 5は、本実施例における携帯電話機 10の機能構成図を示している。  FIG. 5 shows a functional configuration diagram of the mobile phone 10 in the present embodiment.
[0043] 携帯電話機 10は、実施例 2の構成に加えて、ノ ックライト 310とスピーカ 500を備え 、制御部 2010は、音声出力制御部 240を含み、表示制御部 2100は、輝度レベル 変更部 212を含んでいる。 [0043] The mobile phone 10 includes a knock light 310 and a speaker 500 in addition to the configuration of the second embodiment, the control unit 2010 includes an audio output control unit 240, and the display control unit 2100 includes a luminance level changing unit 212. Is included.
ここで、バックライト 310は、後述する輝度レベル変更部 212の指示に応じて、液晶 ディスプレイで実現される表示部 300を照射する機能を有する。  Here, the backlight 310 has a function of irradiating the display unit 300 realized by a liquid crystal display in accordance with an instruction from a luminance level changing unit 212 described later.
[0044] スピーカ 500は、放送受信部 100により受信された音声を、後述する音声出力制御 部 240により設定された音量で出力する機能を有する。 The speaker 500 has a function of outputting the sound received by the broadcast receiving unit 100 at a volume set by the sound output control unit 240 described later.
また、輝度レベル変更部 212は、予め番組種類毎に設定された輝度レベルに基づ き、種類判別部 220によって判別された番組種類に対応する輝度レベルでバックライ トを光らせる機能を有する。 Also, the brightness level changing unit 212 performs backlighting at a brightness level corresponding to the program type determined by the type determining unit 220 based on the brightness level preset for each program type. It has a function to light up the light.
[0045] 音声出力制御部 240は、放送受信部 100により受信された音声データを DZA変 換し、予め音声データの種別毎に設定された音量レベルに基づき、種類判別部 221 によって判別された番組種類に対応する音量レベルで、スピーカ 500に音声を出力 させる機能を有する。  [0045] The audio output control unit 240 performs DZA conversion on the audio data received by the broadcast receiving unit 100, and the program discriminated by the type discriminating unit 221 based on the volume level preset for each type of audio data. It has a function that allows the speaker 500 to output sound at a volume level corresponding to the type.
くデータ >  Data>
以下、上述の実施例 1、 2で示したテーブルデータに加えて、本実施例において携 帯電話機 10のメモリ等に記憶されているテーブルデータについて説明する。  Hereinafter, in addition to the table data shown in the first and second embodiments, the table data stored in the memory of the mobile phone 10 in the present embodiment will be described.
[0046] 図 2(c)は、輝度レベルテーブル 40の構成及び内容例を示している。 FIG. 2 (c) shows the configuration and content example of the brightness level table 40.
輝度レベルテーブル 40は、種類 41及び輝度レベル 42とを対応付けて記憶してお り、種類 41は、上述の実施例と同様に放送番組の種類を示しており、輝度レベル 42 は、バックライト 310の輝度のレベルを示している。  The luminance level table 40 stores a type 41 and a luminance level 42 in association with each other. The type 41 indicates the type of broadcast program as in the above embodiment, and the luminance level 42 indicates the backlight. 310 brightness levels are shown.
ここで、本実施例において輝度レベルは 5〜1まで設定することができ、レベルの数 値が大き 、順に輝度が高 、ものとし、本実施例では-ユースや天気予報の輝度は、 映画やドラマ等の輝度より低く設定することとする。  Here, in this embodiment, the luminance level can be set from 5 to 1, and the numerical value of the level is large, and the luminance is high in order. It should be set lower than the brightness of a drama or the like.
[0047] 尚、説明の便宜上、以下、上述したフレームレートテーブル 30と輝度レベルテープ ル 40の両テーブルを表示情報テーブルと呼ぶこととする。 [0047] For convenience of explanation, both the frame rate table 30 and the luminance level table 40 described above are hereinafter referred to as a display information table.
図 2(d)は、音量情報テーブル 50の構成及び内容例を示して 、る。  FIG. 2 (d) shows the configuration and example contents of the volume information table 50.
音量情報テーブル 50は、種類 51と音量レベル 52とを対応付けて記憶しており、種 類 51は上述の実施例と同様に放送番組の種類を示し、音量レベル 52はスピーカ 50 0へ出力する音声の音量レベルを示して!/、る。  The volume information table 50 stores a type 51 and a volume level 52 in association with each other. The type 51 indicates the type of broadcast program as in the above embodiment, and the volume level 52 is output to the speaker 500. Show the volume level of the voice! /
[0048] 尚、本実施例では、最も音量が大きいレベル 5から最も音量が小さいレベル 1まで 設定することができるちのとする。 [0048] In this embodiment, it is assumed that it is possible to set from level 5 with the highest volume to level 1 with the lowest volume.
図 2(e)は、携帯電話機 10の設定情報を示す設定情報テーブル 60の構成及び内 容例を示している。  FIG. 2 (e) shows an example of the configuration and contents of the setting information table 60 showing the setting information of the mobile phone 10.
設定情報テーブル 60は、フレームレート 61、輝度レベル 62、及び音量レベル 63を 対応付けて記憶している。  The setting information table 60 stores a frame rate 61, a luminance level 62, and a volume level 63 in association with each other.
[0049] フレームレート 61は、現在設定されているフレームレートの値を示し、輝度レベル 6 2は、現在設定されているバックライトの輝度レベルを示し、音量レベル 63は、現在 設定されて 、るスピーカ 500の音量レベルを示して!/、る。 [0049] The frame rate 61 indicates the value of the currently set frame rate, and the brightness level 6 2 indicates the brightness level of the backlight that is currently set, and the volume level 63 indicates the volume level of the speaker 500 that is currently set!
これらの各値は、フレームレート、輝度レベル、音量レベル共に最大値が設定され ているものとし、各設定値は、ユーザ操作により変更される場合と、電池残量が閾値 以下になった時に表示制御部 2100と音声出力制御部 240により変更される場合が ある。  These values are assumed to have maximum values set for the frame rate, brightness level, and volume level, and are displayed when the user changes the settings and when the remaining battery level falls below the threshold. It may be changed by the control unit 2100 and the audio output control unit 240.
<動作例 >  <Operation example>
図 6は、本実施例における動作フロー図を示しており、以下、同図に基づき動作例 を説明する。  FIG. 6 shows an operation flowchart in the present embodiment. Hereinafter, an operation example will be described with reference to FIG.
[0050] 尚、本実施例では、図 2(e)の設定情報テーブル 60の各値が設定されているものと し、ユーザ操作により、携帯電話機 10は天気予報の番組を受信し、電池残量が閾値 以下となった時に、設定情報テーブルの各値を変更するものとし、実施例 1及び実施 例 2と異なる処理にっ 、て説明する。  [0050] In the present embodiment, it is assumed that each value of the setting information table 60 in Fig. 2 (e) is set, and the mobile phone 10 receives a weather forecast program by the user's operation, and the remaining battery power is set. When the amount falls below the threshold value, each value in the setting information table is changed, and the processing different from that in the first and second embodiments will be described.
ステップ S33において電池残量判定部 230は電池残量が閾値以下であると判定し 、ステップ S34にお!/、て省電力モードが ONであると判断した場合 (ステップ S33:Y、 ステップ S34:Y)、電池残量判定部 230は、種類判定部 220及び音声出力制御部 2 40へその旨の情報を送出する。  In step S33, the remaining battery level determination unit 230 determines that the remaining battery level is equal to or less than the threshold value, and determines in step S34 that the power saving mode is ON (step S33: Y, step S34: Y) The remaining battery level determination unit 230 sends information to that effect to the type determination unit 220 and the audio output control unit 240.
[0051] ステップ S35において、種類判定部 220は番組の種類が天気予報であると判別し、 その情報を表示制御部 2100及び音声出力制御部 240へ送出する。 [0051] In step S35, type determination unit 220 determines that the type of program is weather forecast, and sends the information to display control unit 2100 and audio output control unit 240.
ステップ S36において、表示制御部 2100はメモリから表示情報テーブルを読出し 、音声出力制御部 240はメモリから音量情報テーブル 50を読み出す。  In step S36, the display control unit 2100 reads the display information table from the memory, and the audio output control unit 240 reads the volume information table 50 from the memory.
ステップ S37において、フレームレート変換部 211、輝度レベル変更部 212は表示 情報テーブルに基づき、また音声出力制御部 240は音量情報テーブル 50に基づき 、設定情報テーブル 60の各値が、天気予報に対応する値と同じでないと判断する (ス テツプ S37:Y)。  In step S37, the frame rate conversion unit 211 and the luminance level changing unit 212 are based on the display information table, and the audio output control unit 240 is based on the volume information table 50. Each value in the setting information table 60 corresponds to the weather forecast. Judged not to be the same value (Step S37: Y).
[0052] ステップ S38において、フレームレート変換部 211は、フレームレートを 15fpsに変 更し、輝度レベル変更部 212は、輝度レベルを 2に変更する。  [0052] In step S38, the frame rate conversion unit 211 changes the frame rate to 15 fps, and the luminance level changing unit 212 changes the luminance level to 2.
また、音声出力制御部 240は、放送受信部 100から送出された音声データを DZ A変換し、音量レベルを 1に変更する。 Also, the audio output control unit 240 converts the audio data sent from the broadcast receiving unit 100 to DZ A Convert and change the volume level to 1.
<補足 >  <Supplement>
以上、本発明に係る携帯情報端末について実施例 1、実施例 2に基づいて説明し たが、以下のように変形することもでき、本発明は上述の実施例で示した携帯電話機 に限られないことは勿論である。  As described above, the portable information terminal according to the present invention has been described based on the first embodiment and the second embodiment. However, the portable information terminal can be modified as follows, and the present invention is limited to the mobile phone shown in the above-described embodiments. Of course not.
(1)上述の実施例 1、実施例 2、及び実施例 3では、携帯電話機 10がデジタル放送 を受信し、受信した放送番組の種類 (ジャンル)に応じてフレームレート、輝度レベル、 音量レベルの変更処理を行うこととして説明した力 S、放送番組力 SCM力否かに応じて これらの各処理を行うこととしてもょ 、。  (1) In the first embodiment, the second embodiment, and the third embodiment described above, the mobile phone 10 receives a digital broadcast, and the frame rate, the luminance level, and the volume level are changed according to the type (genre) of the received broadcast program. Depending on whether or not the power S, broadcast program power SCM power explained as performing the change processing, each of these processing is performed.
[0053] 例えば、携帯電話機 10がアナログ放送の番組を受信する場合について説明する。  [0053] For example, a case where the mobile phone 10 receives an analog broadcast program will be described.
この場合、種類判別部 220は、ユーザが選局した放送局力も受信した音声信号が ステレオ信号かモノラル信号かを判別し、ステレオ信号の区間を CM区間として判断 する。また、動画像に対応する音声がステレオかモノラルかを示す信号をフレームレ ート変換部 211に送出する。  In this case, the type discriminating unit 220 discriminates whether the audio signal that has received the broadcasting station power selected by the user is a stereo signal or a monaural signal, and determines the section of the stereo signal as the CM section. In addition, a signal indicating whether the sound corresponding to the moving image is stereo or monaural is sent to the frame rate conversion unit 211.
[0054] また、ステレオ信号とモノラル信号別のフレームレート、輝度レベル、及び音量レべ ルを示すテーブルをメモリ等に記憶しておく。  Also, a table indicating the frame rate, luminance level, and volume level for each stereo signal and monaural signal is stored in a memory or the like.
フレームレート変換部 211、輝度レベル変更部 212及び音声出力制御部 240は、 種類判別部 220から音声種別を示す信号を受取ると、上記テーブルを読み出し、当 該信号に係る音声種別のフレームレート、輝度レベル及び音量レベルを特定し、メモ リ内のフレームレート、輝度レべノレ及び音量レべノレの値を変更する。  When the frame rate conversion unit 211, the luminance level changing unit 212, and the audio output control unit 240 receive a signal indicating the audio type from the type determining unit 220, the frame rate conversion unit 211, the luminance level changing unit 212, and the audio output control unit 240 read the table. Specify the level and volume level, and change the frame rate, brightness level, and volume level in memory.
[0055] 尚、デジタル放送データで構成される動画コンテンツが CMであるカゝ否かを判別す る場合、 EPGデータの EIT (Event Information Table)に含まれるコンポーネント記述 子で示される音声情報が、ステレオであるか否かを判断してもよ!/、。  [0055] When it is determined whether or not the moving image content composed of digital broadcast data is a CM, the audio information indicated by the component descriptor included in the EIT (Event Information Table) of the EPG data is You can judge whether it is stereo or not!
(2)また、上述の実施例 1及び実施例 2では、携帯電話機を用いて説明したが、テレ ビ放送を受信可能な PDA(Personal Digital Assistance)等の携帯情報端末であって ちょい。  (2) In the first and second embodiments described above, the description has been given using the mobile phone. However, it may be a portable information terminal such as a PDA (Personal Digital Assistance) that can receive a television broadcast.
(3)上述の実施例では、フレームレートを 30ft)s及び 15ft)sの 2段階で表し、輝度及び 音量のレベルを 5段階で表すものとして説明した力 フレームレート、輝度及び音量 が各々複数設定できるものであればこれに限らな 、。 (3) In the above-mentioned embodiment, the frame rate is expressed in two stages of 30 ft) s and 15 ft) s, and the power is described as expressing the luminance and volume level in five stages. Frame rate, luminance and volume This is not limited to this, as long as each can be set multiple times.
(4)携帯電話機におけるフレームレート変更処理をプロセッサに実行させるためのプ ログラムを、記録媒体に記録し又は各種通信路等を介して、流通させ頒布することも できる。このような記録媒体には、 ICカード、ハードディスク、光ディスク、フレキシブ ルディスク、 ROM等がある。流通、頒布されたプログラムはプロセッサに読み出され 得るメモリ等に格納されることにより利用に供され、そのプロセッサがそのプログラムを 実行することにより実施例で示した携帯電話機の機能が実現されるようになる。 (4) A program for causing a processor to execute frame rate change processing in a mobile phone can be recorded on a recording medium or distributed and distributed via various communication paths. Such recording media include IC cards, hard disks, optical disks, flexible disks, and ROMs. The distributed and distributed program is used by being stored in a memory or the like that can be read by the processor, and the processor executes the program so that the functions of the mobile phone shown in the embodiment are realized. become.
(5)上記実施例 1及び実施例 2では、 EPGデータにより番組の種類を判別している 力 映画やドラマ等の画像品質を重視する番組であることを示す情報が放送データ に付加されて 、る場合、当該情報が付されて 、な 、番組の画像にっ 、てはフレーム レートを下げて表示することとしてもょ 、。 (5) In Example 1 and Example 2 above, information indicating that the program type emphasizes image quality such as a movie or a drama is added to the broadcast data, and the type of program is determined by EPG data. If this information is added, the program image may be displayed at a reduced frame rate.
(6)また、上述の実施例 3では、電池残量が閾値以下になった時に、現在の設定値 を、放送番組のジャンル毎に予め設定されたフレームレート、輝度レベル、音量レべ ルに変更するものとして説明した力 S、輝度レベル及び音量レベルの設定値を変更す る際、例えば、輝度レベルを 5から 3へ変更する場合は、輝度レベルを 5→4→3の順 に段階的に変更することとしてもよい。このように段階的に変更することにより、ノック ライトの輝度が突然暗くなつたり、音量が突然小さくなつたりする等の違和感をユーザ に生じさせることなく番組の再生を行うことができる。  (6) Also, in Example 3 described above, when the remaining battery level falls below the threshold, the current setting values are set to the frame rate, brightness level, and volume level that are preset for each broadcast program genre. When changing the set values of force S, brightness level and volume level described as changing, for example, when changing the brightness level from 5 to 3, the brightness level is stepped in the order of 5 → 4 → 3. It is good also as changing to. In this way, the program can be played back without causing the user to feel uncomfortable, such as when the brightness of the knocklight suddenly becomes dark or the volume suddenly decreases.
(7)上述の実施例 1及び 2では、番組ジャンルに応じてフレームレート変更処理を行 うこととして説明し、実施例 3では、フレームレート、輝度レベル、音量レベルの全設定 値を変更することとして説明した力 フレームレート、輝度レベル及び音量レベルのい ずれか一つを選択して変更してもよ 、し、 2つを選択して変更することとしてもょ 、。 (7) In the first and second embodiments described above, it is described that the frame rate changing process is performed according to the program genre. In the third embodiment, all setting values of the frame rate, the luminance level, and the volume level are changed. You can select one of the frame rates, brightness levels, and volume levels to change, or you can select two to change.
(8)また、実施例 3では、電池残量がある閾値以下になった時にフレームレート、輝 度レベル、音量レベルの全設定値を変更することとして説明した力 例えば、電池残 量の閾値を複数設定し、閾値に応じて輝度レベル、フレームレート、音量レベルの各 設定値を順に変更することとしてもょ 、。 (8) In the third embodiment, the power described as changing all the set values of the frame rate, brightness level, and volume level when the remaining battery level falls below a certain threshold value. It is also possible to set multiple items and change each setting value of the brightness level, frame rate, and volume level in order according to the threshold value.
産業上の利用可能性 Industrial applicability
本発明に係る携帯情報端末は、動画コンテンツを再生可能な携帯電話機等の携 帯情報端末に利用され得る。 The portable information terminal according to the present invention is a portable information terminal such as a mobile phone capable of reproducing moving image content. It can be used for a band information terminal.

Claims

請求の範囲 The scope of the claims
[1] 動画コンテンツを再生する携帯情報端末であって、  [1] A mobile information terminal that plays video content,
前記動画コンテンツの種類を判別する種類判別手段と、  Type discriminating means for discriminating the type of the video content;
前記種類判別手段により判別された種類に応じて、再生に係る消費電力が異なる 複数の処理態様の一つを選択し、選択した処理態様で前記動画コンテンツを再生す る再生手段と  Reproduction means for selecting one of a plurality of processing modes having different power consumption for reproduction according to the type determined by the type determination unit, and reproducing the video content in the selected processing mode
を備えることを特徴とする携帯情報端末。  A portable information terminal comprising:
[2] 前記再生手段は、動画コンテンツを表示する表示部を備えており、  [2] The reproduction means includes a display unit for displaying moving image content,
前記複数の処理態様は、動画コンテンツを前記表示部に表示するためのフレーム レートが各々異なるものであること  The plurality of processing modes have different frame rates for displaying moving image content on the display unit.
を特徴とする請求項 1記載の携帯情報端末。  The portable information terminal according to claim 1, wherein:
[3] 前記再生手段は、バックライトを備えており、 [3] The reproducing means includes a backlight,
前記複数の処理態様は、前記バックライトの輝度が各々異なるものであること を特徴とする請求項 1記載の携帯情報端末。  The portable information terminal according to claim 1, wherein the plurality of processing modes are different in luminance of the backlight.
[4] 前記再生手段は、更に、 [4] The reproducing means further includes:
前記動画コンテンツの音声を出力する音声出力部を備え、  An audio output unit for outputting audio of the video content;
前記複数の処理態様は、前記動画コンテンツの音声を出力する音量が各々異なる ものを含み、  The plurality of processing modes include those in which the sound volume for outputting the sound of the moving image content is different from each other,
前記種類判別手段により判別された種類に応じて前記フレームレートと前記音量の 各々一つを選択し、選択したフレームレートと音量で前記動画コンテンツを再生する こと  Selecting one of the frame rate and the volume according to the type determined by the type determining means, and playing back the video content at the selected frame rate and volume.
を特徴とする請求項 2記載の携帯情報端末。  The portable information terminal according to claim 2, wherein:
[5] 前記再生手段は、更に、 [5] The reproducing means further includes:
前記動画コンテンツの音声を出力する音声出力部を備え、  An audio output unit for outputting audio of the video content;
前記複数の処理態様は、前記動画コンテンツの音声を出力する音量が各々異なる ものを含み、  The plurality of processing modes include those in which the sound volume for outputting the sound of the moving image content is different from each other,
前記種類判別手段により判別された種類に応じて前記輝度と前記音量の各々一 つを選択し、選択した輝度と音量で前記動画コンテンツを再生すること を特徴とする請求項 3記載の携帯情報端末。 According to the type discriminated by the type discriminating means, one of the luminance and the volume is selected, and the moving picture content is reproduced with the selected luminance and volume. The portable information terminal according to claim 3, wherein:
[6] 前記動画コンテンツは、デジタル放送データで構成された番組であり、 [6] The video content is a program composed of digital broadcast data,
前記携帯情報端末は、更に、電子番組表を取得し、  The portable information terminal further acquires an electronic program guide,
前記種類判別手段は、前記電子番組表に基づいて、前記デジタル放送データで 構成された番組の種類を判別すること  The type discriminating unit discriminates a type of a program composed of the digital broadcast data based on the electronic program guide.
を特徴とする請求項 1記載の携帯情報端末。  The portable information terminal according to claim 1, wherein:
[7] 前記動画コンテンツは、ステレオ及びモノラルの音声データを含み、前記番組コン テンッの種類には、前記動画コンテンツにおけるステレオの音声データの部分と、モ ノラルの音声データの部分があり、 [7] The video content includes stereo and monaural audio data, and the program content types include a stereo audio data portion and a monaural audio data portion in the video content,
前記種類判別手段は、前記動画コンテンツにおけるモノラルの音声データ部分とス テレオ音声データ部分を判別すること  The type discriminating means discriminates a monaural audio data portion and a stereo audio data portion in the moving image content.
を特徴とする請求項 1記載の携帯情報端末。  The portable information terminal according to claim 1, wherein:
[8] 前記携帯情報端末は、更に、自機内部に電池を有しており、当該電池の残量が閾 値以下であるか否かを判定する電池残量判定手段を備え、 [8] The portable information terminal further includes a battery in its own device, and further includes a battery remaining amount determination unit that determines whether or not the remaining amount of the battery is equal to or less than a threshold value.
前記再生手段は、前記電池残量判定手段により閾値以下であると判定された場合 に限り、前記種類判別手段により判別された種類に応じて前記複数の処理態様の一 つを選択し、選択した処理態様で前記動画コンテンツを再生すること  The reproduction means selects and selects one of the plurality of processing modes according to the type determined by the type determination means only when it is determined by the battery remaining amount determination means that the threshold is less than or equal to the threshold value. Playing back the video content in a processing mode
を特徴とする請求項 1記載の携帯情報端末。  The portable information terminal according to claim 1, wherein:
[9] 動画コンテンツを再生可能であり、プログラムを実行可能な装置に制御処理を実行 させるための制御プログラムであって、 [9] A control program for causing a device capable of playing video content and executing the program to execute control processing,
前記制御処理は、  The control process is
動画コンテンツの種類を判別する種類判別ステップと、  A type determination step for determining the type of video content;
前記種類判別ステップにより判別された種類に応じて、再生に係る消費電力が異な る前記複数の処理態様の一つを選択し、選択した処理態様で前記装置に前記動画 コンテンツを再生させる再生ステップとを含む  A reproduction step of selecting one of the plurality of processing modes having different power consumption for reproduction according to the type determined by the type determination step, and causing the apparatus to reproduce the moving image content in the selected processing mode; including
ことを特徴とする制御プログラム。  A control program characterized by that.
PCT/JP2006/303256 2005-03-09 2006-02-23 Mobile information terminal WO2006095574A1 (en)

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